Convert project to gradle

1 files changed, 319 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/Mta6ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Mta6ProtocolDecoder.java
new file mode 100644
index 000000000..88419b871
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/Mta6ProtocolDecoder.java
@@ -0,0 +1,319 @@
+/*
+ * Copyright 2013 - 2018 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.protocol;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.DefaultFullHttpResponse;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.FullHttpResponse;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.HttpVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
+
+public class Mta6ProtocolDecoder extends BaseProtocolDecoder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(Mta6ProtocolDecoder.class);
+
+    private final boolean simple;
+
+    public Mta6ProtocolDecoder(Protocol protocol, boolean simple) {
+        super(protocol);
+        this.simple = simple;
+    }
+
+    private void sendContinue(Channel channel) {
+        FullHttpResponse response = new DefaultFullHttpResponse(
+                HttpVersion.HTTP_1_1, HttpResponseStatus.CONTINUE);
+        channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+    }
+
+    private void sendResponse(Channel channel, short packetId, short packetCount) {
+        ByteBuf begin = Unpooled.copiedBuffer("#ACK#", StandardCharsets.US_ASCII);
+        ByteBuf end = Unpooled.buffer(3);
+        end.writeByte(packetId);
+        end.writeByte(packetCount);
+        end.writeByte(0);
+
+        FullHttpResponse response = new DefaultFullHttpResponse(
+                HttpVersion.HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(begin, end));
+        channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+    }
+
+    private static class FloatReader {
+
+        private int previousFloat;
+
+        public float readFloat(ByteBuf buf) {
+            switch (buf.getUnsignedByte(buf.readerIndex()) >> 6) {
+                case 0:
+                    previousFloat = buf.readInt() << 2;
+                    break;
+                case 1:
+                    previousFloat = (previousFloat & 0xffffff00) + ((buf.readUnsignedByte() & 0x3f) << 2);
+                    break;
+                case 2:
+                    previousFloat = (previousFloat & 0xffff0000) + ((buf.readUnsignedShort() & 0x3fff) << 2);
+                    break;
+                case 3:
+                    previousFloat = (previousFloat & 0xff000000) + ((buf.readUnsignedMedium() & 0x3fffff) << 2);
+                    break;
+                default:
+                    LOGGER.warn("MTA6 float decoding error", new IllegalArgumentException());
+                    break;
+            }
+            return Float.intBitsToFloat(previousFloat);
+        }
+
+    }
+
+    private static class TimeReader extends FloatReader {
+
+        private long weekNumber;
+
+        public Date readTime(ByteBuf buf) {
+            long weekTime = (long) (readFloat(buf) * 1000);
+            if (weekNumber == 0) {
+                weekNumber = buf.readUnsignedShort();
+            }
+
+            DateBuilder dateBuilder = new DateBuilder().setDate(1980, 1, 6);
+            dateBuilder.addMillis(weekNumber * 7 * 24 * 60 * 60 * 1000 + weekTime);
+
+            return dateBuilder.getDate();
+        }
+
+    }
+
+    private List<Position> parseFormatA(DeviceSession deviceSession, ByteBuf buf) {
+        List<Position> positions = new LinkedList<>();
+
+        FloatReader latitudeReader = new FloatReader();
+        FloatReader longitudeReader = new FloatReader();
+        TimeReader timeReader = new TimeReader();
+
+        try {
+            while (buf.isReadable()) {
+                Position position = new Position(getProtocolName());
+                position.setDeviceId(deviceSession.getDeviceId());
+
+                short flags = buf.readUnsignedByte();
+
+                short event = buf.readUnsignedByte();
+                if (BitUtil.check(event, 7)) {
+                    if (BitUtil.check(event, 6)) {
+                        buf.skipBytes(8);
+                    } else {
+                        while (BitUtil.check(event, 7)) {
+                            event = buf.readUnsignedByte();
+                        }
+                    }
+                }
+
+                position.setLatitude(latitudeReader.readFloat(buf) / Math.PI * 180);
+                position.setLongitude(longitudeReader.readFloat(buf) / Math.PI * 180);
+                position.setTime(timeReader.readTime(buf));
+
+                if (BitUtil.check(flags, 0)) {
+                    buf.readUnsignedByte(); // status
+                }
+
+                if (BitUtil.check(flags, 1)) {
+                    position.setAltitude(buf.readUnsignedShort());
+                }
+
+                if (BitUtil.check(flags, 2)) {
+                    position.setSpeed(buf.readUnsignedShort() & 0x03ff);
+                    position.setCourse(buf.readUnsignedByte());
+                }
+
+                if (BitUtil.check(flags, 3)) {
+                    position.set(Position.KEY_ODOMETER, buf.readUnsignedShort() * 1000);
+                }
+
+                if (BitUtil.check(flags, 4)) {
+                    position.set(Position.KEY_FUEL_CONSUMPTION + "Accumulator1", buf.readUnsignedInt());
+                    position.set(Position.KEY_FUEL_CONSUMPTION + "Accumulator2", buf.readUnsignedInt());
+                    position.set("hours1", buf.readUnsignedShort());
+                    position.set("hours2", buf.readUnsignedShort());
+                }
+
+                if (BitUtil.check(flags, 5)) {
+                    position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort() & 0x03ff);
+                    position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort() & 0x03ff);
+                    position.set(Position.PREFIX_ADC + 3, buf.readUnsignedShort() & 0x03ff);
+                    position.set(Position.PREFIX_ADC + 4, buf.readUnsignedShort() & 0x03ff);
+                }
+
+                if (BitUtil.check(flags, 6)) {
+                    position.set(Position.PREFIX_TEMP + 1, buf.readByte());
+                    buf.getUnsignedByte(buf.readerIndex()); // control (>> 4)
+                    position.set(Position.KEY_INPUT, buf.readUnsignedShort() & 0x0fff);
+                    buf.readUnsignedShort(); // old sensor state (& 0x0fff)
+                }
+
+                if (BitUtil.check(flags, 7)) {
+                    position.set(Position.KEY_BATTERY, buf.getUnsignedByte(buf.readerIndex()) >> 2);
+                    position.set(Position.KEY_POWER, buf.readUnsignedShort() & 0x03ff);
+                    position.set(Position.KEY_DEVICE_TEMP, buf.readByte());
+
+                    position.set(Position.KEY_RSSI, (buf.getUnsignedByte(buf.readerIndex()) >> 4) & 0x07);
+
+                    int satellites = buf.readUnsignedByte() & 0x0f;
+                    position.setValid(satellites >= 3);
+                    position.set(Position.KEY_SATELLITES, satellites);
+                }
+                positions.add(position);
+            }
+        } catch (IndexOutOfBoundsException error) {
+            LOGGER.warn("MTA6 parsing error", error);
+        }
+
+        return positions;
+    }
+
+    private Position parseFormatA1(DeviceSession deviceSession, ByteBuf buf) {
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        short flags = buf.readUnsignedByte();
+
+        // Skip events
+        short event = buf.readUnsignedByte();
+        if (BitUtil.check(event, 7)) {
+            if (BitUtil.check(event, 6)) {
+                buf.skipBytes(8);
+            } else {
+                while (BitUtil.check(event, 7)) {
+                    event = buf.readUnsignedByte();
+                }
+            }
+        }
+
+        position.setLatitude(new FloatReader().readFloat(buf) / Math.PI * 180);
+        position.setLongitude(new FloatReader().readFloat(buf) / Math.PI * 180);
+        position.setTime(new TimeReader().readTime(buf));
+
+        position.set(Position.KEY_STATUS, buf.readUnsignedByte());
+
+        if (BitUtil.check(flags, 0)) {
+            position.setAltitude(buf.readUnsignedShort());
+            position.setSpeed(buf.readUnsignedByte());
+            position.setCourse(buf.readByte());
+            position.set(Position.KEY_ODOMETER, new FloatReader().readFloat(buf));
+        }
+
+        if (BitUtil.check(flags, 1)) {
+            position.set(Position.KEY_FUEL_CONSUMPTION, new FloatReader().readFloat(buf));
+            position.set(Position.KEY_HOURS, UnitsConverter.msFromHours(new FloatReader().readFloat(buf)));
+            position.set("tank", buf.readUnsignedByte() * 0.4);
+        }
+
+        if (BitUtil.check(flags, 2)) {
+            position.set("engine", buf.readUnsignedShort() * 0.125);
+            position.set("pedals", buf.readUnsignedByte());
+            position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedByte() - 40);
+            position.set(Position.KEY_ODOMETER_SERVICE, buf.readUnsignedShort());
+        }
+
+        if (BitUtil.check(flags, 3)) {
+            position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedShort());
+            position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort());
+            position.set(Position.PREFIX_ADC + 3, buf.readUnsignedShort());
+            position.set(Position.PREFIX_ADC + 4, buf.readUnsignedShort());
+        }
+
+        if (BitUtil.check(flags, 4)) {
+            position.set(Position.PREFIX_TEMP + 1, buf.readByte());
+            buf.getUnsignedByte(buf.readerIndex()); // control (>> 4)
+            position.set(Position.KEY_INPUT, buf.readUnsignedShort() & 0x0fff);
+            buf.readUnsignedShort(); // old sensor state (& 0x0fff)
+        }
+
+        if (BitUtil.check(flags, 5)) {
+            position.set(Position.KEY_BATTERY, buf.getUnsignedByte(buf.readerIndex()) >> 2);
+            position.set(Position.KEY_POWER, buf.readUnsignedShort() & 0x03ff);
+            position.set(Position.KEY_DEVICE_TEMP, buf.readByte());
+
+            position.set(Position.KEY_RSSI, buf.getUnsignedByte(buf.readerIndex()) >> 5);
+
+            int satellites = buf.readUnsignedByte() & 0x1f;
+            position.setValid(satellites >= 3);
+            position.set(Position.KEY_SATELLITES, satellites);
+        }
+
+        // other data
+
+        return position;
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        FullHttpRequest request = (FullHttpRequest) msg;
+        ByteBuf buf = request.content();
+
+        buf.skipBytes("id=".length());
+        int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '&');
+        String uniqueId = buf.toString(buf.readerIndex(), index - buf.readerIndex(), StandardCharsets.US_ASCII);
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, uniqueId);
+        if (deviceSession == null) {
+            return null;
+        }
+        buf.skipBytes(uniqueId.length());
+        buf.skipBytes("&bin=".length());
+
+        short packetId = buf.readUnsignedByte();
+        short offset = buf.readUnsignedByte(); // dataOffset
+        short packetCount = buf.readUnsignedByte();
+        buf.readUnsignedByte(); // reserved
+        buf.readUnsignedByte(); // timezone
+        buf.skipBytes(offset - 5);
+
+        if (channel != null) {
+            sendContinue(channel);
+            sendResponse(channel, packetId, packetCount);
+        }
+
+        if (packetId == 0x31 || packetId == 0x32 || packetId == 0x36) {
+            if (simple) {
+                return parseFormatA1(deviceSession, buf);
+            } else {
+                return parseFormatA(deviceSession, buf);
+            }
+        } // else if (0x34 0x38 0x4F 0x59)
+
+        return null;
+    }
+
+}